From: Zart

tarif.py

import tkinter as tk, tkinter.ttk as ttk # python 3 stdlib
import tkcalendar as tkc                 # pip install tkcalendar

def main():
    # tk
    root = tk.Tk()
    root.resizable(False, False)
    root.title('Изменение тарифного плана')
    style = ttk.Style()
    style.theme_use('winnative')
    
    sudo = tk.BooleanVar()
    ep   = tk.BooleanVar()
    lp   = tk.BooleanVar()
    cl   = tk.StringVar()

    def do_update(*args):
        c = 'sudo ' if sudo.get() else ''
        c += 'netup'
        if ice.get():
            c += ' -uid %s' % ice.get()
        if iae.get():
            c += ' -aid %s' % iae.get()
        if cpe.get():
            c += ' -tp_c %s' % cpe.get()
        if npe.get():
            c += ' -tp_n %s' % npe.get()
        if cde.get():
            c += ' -today %d' % cde.get_date().toordinal()
        if lp.get() and ple.get():
            c += ' -tp_link %s' % ple.get()
        if ep.get():
            c += ' -enterprise'
        cl.set(c)
    
    def do_copy(*args):
        root.clipboard_clear()
        root.clipboard_append(cl.get())

    # frame and widgets
    frm = ttk.Frame(root, relief='flat')
    frm.grid(padx=10, pady=10)
    icl = ttk.Label(frm, text='ID клиента')
    ice = ttk.Entry(frm)
    ial = ttk.Label(frm, text='ID аккаунта')
    iae = ttk.Entry(frm)
    cpl = ttk.Label(frm, text='Текущий тариф')
    cpe = ttk.Entry(frm)
    npl = ttk.Label(frm, text='Следующий тариф')
    npe = ttk.Entry(frm)
    lpc = ttk.Checkbutton(frm, text='Несколько тарифов', variable=lp)
    ple = ttk.Entry(frm)
    epc = ttk.Checkbutton(frm, text='Юр.лицо', variable=ep)
    cdl = ttk.Label(frm, text='Дата смены тарифа')
    cde = tkc.DateEntry(frm)
    asc = ttk.Checkbutton(frm, text='sudo', variable=sudo)
    cmd =  tk.Entry(frm, state='readonly', textvariable=cl)
    ccb = ttk.Button(frm, text='Копировать', command=do_copy)
    nil = ttk.Label(frm, text='ID следующего тарифа')
    nie =  tk.Entry(frm, state='readonly')

    # geometry
    pad = 2
    icl.grid(row=0, column=0, padx=pad, pady=pad)
    ice.grid(row=0, column=1, padx=pad, pady=pad)
    cpl.grid(row=0, column=2, padx=pad, pady=pad)
    cpe.grid(row=0, column=3, padx=pad, pady=pad)
    cdl.grid(row=0, column=4, padx=pad, pady=pad)
    ial.grid(row=1, column=0, padx=pad, pady=pad)
    iae.grid(row=1, column=1, padx=pad, pady=pad)
    npl.grid(row=1, column=2, padx=pad, pady=pad)
    npe.grid(row=1, column=3, padx=pad, pady=pad)
    cde.grid(row=1, column=4, padx=pad, pady=pad)
    lpc.grid(row=2, column=2, padx=pad, pady=pad)
    ple.grid(row=2, column=3, padx=pad, pady=pad)
    epc.grid(row=2, column=0, padx=pad, pady=pad)
    asc.grid(row=2, column=4, padx=pad, pady=pad)
    cmd.grid(row=3, column=0, padx=pad, pady=pad, sticky='NSEW', columnspan=4)
    ccb.grid(row=3, column=4, padx=pad, pady=pad, sticky='NSEW')
    nil.grid(row=4, column=0, padx=pad, pady=pad)
    nie.grid(row=4, column=1, padx=pad, pady=pad)
    
    # events
    for ctl in [ice, iae, cpe, npe, ple,  lpc, epc, asc,  cde]:
        ctl.bind('<FocusOut>', do_update)
        ctl.bind('<Enter>', do_update)
    for var in [sudo, ep, lp, cl]:
        var.trace_add('write', do_update)

    # run
    do_update(frm)
    frm.focus()
    frm.mainloop()

if __name__ == '__main__':
    main()